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2012年12月8日

摘要: Maciej Pacula » k-means clustering example (Python)k-means clustering example (Python)I had to illustrate a k-means algorithm for my thesis, but I could not find any existing examples that were both s... 阅读全文
posted @ 2012-12-08 14:30 lexus 阅读(583) 评论(0) 推荐(0)

摘要: Comparison of data analysis packages: R, Matlab, SciPy, Excel, SAS, SPSS, Stata | AI and Social Science – Brendan O'ConnorComparison of data analysis packages: R, Matlab, SciPy, Excel, SAS, SPSS, Stat... 阅读全文
posted @ 2012-12-08 14:24 lexus 阅读(551) 评论(0) 推荐(0)

摘要: Matlab vs. scipy & numpy « Free MindMatlab vs. scipy & numpy by pluskid, on 2009-02-05, in Tool 16 comments实际上关于 Matlab 和 Python 的争论和比较已经非常非常多了。Matlab 本来是在相关领域可以算作“标准”的平台和工具了,然而 Python 有了 numpy ,又有了 s... 阅读全文
posted @ 2012-12-08 14:14 lexus 阅读(1575) 评论(0) 推荐(0)

摘要: 漫谈 Clustering (1): k-means « Free Mind漫谈 Clustering (1): k-means by pluskid, on 2008-12-29, in Machine Learning 57 comments本文是“漫谈 Clustering 系列”中的第 1 篇,参见本系列的其他文章。好久没有写 blog 了,一来是 blog 下线一段时间,而租 Dream... 阅读全文
posted @ 2012-12-08 14:06 lexus 阅读(176) 评论(0) 推荐(0)

摘要: Numpy, Scipy, and Pandas – Oh My! (Ubuntu 11.10) » Adam Klein's BlogNumpy, Scipy, and Pandas – Oh My! (Ubuntu 11.10)Data, Linux, Programming, Python Add commentsNov 172011I’ve got a spanking new insta... 阅读全文
posted @ 2012-12-08 13:58 lexus 阅读(382) 评论(0) 推荐(0)

摘要: http://glowingpython.blogspot.com/2012/11/first-steps-with-networx.html 阅读全文
posted @ 2012-12-08 13:57 lexus 阅读(139) 评论(0) 推荐(0)

摘要: The Glowing Python3D stem plotA two-dimensional stem plot displays data as lines extending from a baseline along the x axis. In the following snippet we will see how to make a three-dimensional stem p... 阅读全文
posted @ 2012-12-08 13:48 lexus 阅读(245) 评论(0) 推荐(0)

摘要: The Glowing Python A Python snippet almanac for scientific computing and data visualization. 阅读全文
posted @ 2012-12-08 13:47 lexus 阅读(136) 评论(0) 推荐(0)

摘要: The Glowing Python: K- means clustering with scipyK- means clustering with scipyK-means clustering is a method for finding clusters and cluster centers in a set of unlabeled data. Intuitively, we migh... 阅读全文
posted @ 2012-12-08 13:45 lexus 阅读(435) 评论(0) 推荐(0)

摘要: Angles between two n-dimensional vectors in Python - Stack OverflowUsing numpy (highly recommended), you would do:u = array([1.,2,3,4]) v = ... c = dot(u,v)/norm(u)/norm(v) # -> cosine of the angle an... 阅读全文
posted @ 2012-12-08 13:37 lexus 阅读(222) 评论(0) 推荐(0)

摘要: HDF_百度百科 HDF 目录 层次型数据格式 简介 HDF4和HDF5 异硫氰酸荧光素己二胺 高密度纤维板 缩写 展开 层次型数据格式 简介 HDF4和HDF5 异硫氰酸荧光素己二胺 高密度纤维板 缩写 展开 编辑本段层次型数据格式 Hierarchical Data Format,可以存储不同类型的图像和数码数据的文件格式,并且可以在不同类型的机器上传输,同时还有统一处理这种文件格式的函数... 阅读全文
posted @ 2012-12-08 13:31 lexus 阅读(365) 评论(0) 推荐(0)

摘要: homogeneous是什么意思_homogeneous在线翻译_英语_读音_用法_例句_海词词典homogeneoushomogeneous是什么意思_homogeneous在线翻译_英语_读音_用法_例句_海词词典homogeneous 英 [ˌhɒmə'dʒiːniəs] 美 [ˌhoʊmə'dʒiːniəs] 词形变化:homogeneouslyhomogeneousnesshomo... 阅读全文
posted @ 2012-12-08 13:17 lexus 阅读(1074) 评论(0) 推荐(0)

摘要: 线性代数 阅读全文
posted @ 2012-12-08 12:40 lexus 阅读(266) 评论(0) 推荐(0)

摘要: matplotlib - users - pylab> I'm a bit confused (trying to get the Scipy, Numpy, Pylab, Matplolib > story straight, before I plunge in) Numpy is the common core, providing N-dimensional arrays and mat... 阅读全文
posted @ 2012-12-08 12:23 lexus 阅读(182) 评论(0) 推荐(0)

摘要: Unix/Python/NumPy TutorialUnix/Python/NumPy TutorialIntroductionThis tutorial will cover the basics of working in the Unix environment for the Utah CADE machines and a small Python tutorial. It assume... 阅读全文
posted @ 2012-12-08 12:14 lexus 阅读(519) 评论(0) 推荐(0)

摘要: Python科学计算库Numpy的使用 - small_kid的博客 - 我的搜狐Python科学计算库Numpy的使用 收藏到手机 转发 评论 09月10日 15:471. 业界习惯用如下语句导入numpy的package import numpy as np2. np支持的数据类型:int8, int16, int32, int64, unit8(无符号的整数,uni... 阅读全文
posted @ 2012-12-08 12:03 lexus 阅读(1287) 评论(0) 推荐(0)

摘要: numpy-arraysArraysArrays in numpy have elements all of the same type and occupy the same amount of storage, an element can be composed of other simple types, have a fixed size... 阅读全文
posted @ 2012-12-08 11:59 lexus 阅读(1064) 评论(0) 推荐(0)

摘要: yablog: calculate cosine with python numpycalculate cosine with python numpypurposeCalculate "cosine" determined by pair of vectors using python and its package named numpy. Firstly I show you the def... 阅读全文
posted @ 2012-12-08 11:54 lexus 阅读(912) 评论(0) 推荐(0)

摘要: Similarity of texts: The Vector Space Model with Python | All My BrainSimilarity of texts: The Vector Space Model with PythonI'm working on a little task that compares the similarity of text documents... 阅读全文
posted @ 2012-12-08 11:50 lexus 阅读(515) 评论(0) 推荐(0)

摘要: Tentative NumPy Tutorial -Tentative NumPy Tutorial Please do not hesitate to click the edit button. You will need to create a User Account first. ContentsPrerequisitesThe BasicsAn exampleArray Creati... 阅读全文
posted @ 2012-12-08 11:24 lexus 阅读(352) 评论(0) 推荐(0)

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